An amino acid-modified organopolysiloxane is provided. It has an amino acid derivative bonded to at least one silicon atom of the organopolysiloxane segment constituting the backbone of the organopolysiloxane via an amide bond represented by the following general formula (1):
wherein X and Y are independently a C1-10 divalent hydrocarbon group; m is an integer of 0 to 4; Ra is hydrogen atom, a monovalent hydrocarbon group containing 1 to 4 carbon atoms, or an organic group represented by the following general formula (2):
(wherein Rb is hydrogen atom, a C1-7 monovalent hydrocarbon group, an alkaline metal, or an alkaline earth metal, and Rc is independently hydrogen atom, hydroxy group, or a C1-10, monovalent hydrocarbon group optionally containing oxygen atom, sulfur atom, or nitrogen atom); and Z is an organic group represented by the general formula (2).
本发明提供了一种
氨基酸改性有机聚
硅氧烷。它具有一种
氨基酸衍
生物,通过由下式通式(1)表示的酰胺键与构成有机聚
硅氧烷骨架的有机聚
硅氧烷段的至少一个
硅原子键合:
其中 X 和 Y 独立地为 C1-10 二价烃基;m 为 0 至 4 的整数;Ra 为氢原子、含 1 至 4 个碳原子的一价烃基或由以下通式 (2) 表示的有机基团:
(其中 Rb 为氢原子、C1-7 一价烃基团、碱
金属或碱土
金属,Rc 独立地为氢原子、羟基或可选含有氧原子、
硫原子或氮原子的 C1-10 一价烃基团);以及 Z 为通式(2)所代表的有机基团。